Garbled audio while playing DVD movie

Question: Garbled audio while playing DVD movie?
Suggestion:
  1. Downloading VLC player, thought original DVD player may be corrupted.
  2. Not the DVD disk itself, cause its playing fine DVD player.
  3. Playing MP3 files on computer is fine, which suggested computer's audio driver installed correctly
  4. Playing Youtube video on the internet fine, which suggested computer's memory & performance maybe acceptable.
  5. No evidence suggested possible virus attacking.
  6. Failed power components for not enough power juice, or bad DVD unit itself.
Answer: It was configured as a second DVD Player daisy-chained to another old CD-rom to PIDE channel. Due to certain compatibility issue, DVD was suffered with slow performance, once it was isolated from old CD-rom, DVD playing is normal.
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